419326720

素因数分解:

$2^8\times 5^1\times {\mathrm{327599}}^1$

素因数の和:327620

約数の個数: 36

約数和(自身を含む): 1004421600

約数和(自身を除く): 585094880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 327599, 655198, 1310396, 1637995, 2620792, 3275990, 5241584, 6551980, 10483168, 13103960, 20966336, 26207920, 41932672, 52415840, 83865344, 104831680, 209663360, 419326720]

約数ペア:

[(1, 419326720), (2, 209663360), (4, 104831680), (5, 83865344), (8, 52415840), (10, 41932672), (16, 26207920), (20, 20966336), (32, 13103960), (40, 10483168), (64, 6551980), (80, 5241584), (128, 3275990), (160, 2620792), (256, 1637995), (320, 1310396), (640, 655198), (1280, 327599)]